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03-11-2020
Mathematics

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Simplify x+1/x-1 -x-1/x+1 +4/x²-1

Respuesta :

03-11-2020

Answer:

4-x^2/x^2

Step-by-step explanation:

x+1/x -1 - x - 1/x + 1 + 4/x^2 - 1

1/x - 1 - 1/x + 1 + 4/x^2 - 1

-1 + 1 + 4/x^2 - 1

4/x^2 - 1

4 - x^2/x^2

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